PULSE AMPLITUDE MODULATOR,申请号GB19750014322-传众专利搜索

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发明名称	PULSE AMPLITUDE MODULATOR
摘要
申请公布号	GB1472689(A)	申请公布日期	1977.05.04
申请号	GB19750014322	申请日期	1975.04.08
申请人	STANDARD TELEPHONES CABLES LTD	发明人
分类号	H03K7/02;H03K17/90;(IPC1-7):H03K7/02	主分类号	H03K7/02
代理机构		代理人
主权项
地址

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